2017: An eclipse traverses the continental United States.
2016: Last day of the Rio Summer Olympics.
2013: Hundreds of people are reported killed by chemical attacks in the Ghouta region of Syria.
2000: Tiger Woods, American professional golfer, wins the 82nd PGA Championship and becomes the first golfer since Ben Hogan in 1953 to win 3 majors in a calendar year.
1991: Latvia declares renewal of its full independence after the occupation of Soviet Union.
1988: The 6.9 Mw Nepal earthquake shakes the Nepal-India border with a maximum Mercalli intensity of VIII (Severe), leaving 709-1,450 people killed and thousands injured.
1986: Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometer range.
1959: United States President Dwight D. Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union. Hawaii's admission is currently commemorated by Hawaii Admission Day
1957: The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
1772: King Gustav III completes his coup d'état by adopting a new Constitution, ending half a century of parliamentary rule in Sweden and installing himself as an enlightened despot.